<?php
class Merchant_Model_CustomerHistory extends Zend_Db_Table_Abstract
{
	protected $_table;
	
	public function __construct(){
		$this->_table = new Merchant_Model_DbTable_CustomerHistory();
	}
	
	public static function getInstance(){
		return new Merchant_Model_CustomerHistory();
	}
	
	/**
	* 获得dbtable对象
	* @return Zend_Db_Table_Abstract
	*/
	public function getDbTable(){
		return $this->_table;
	}
}